Home / 51,114.04-76,640.99-21,515.83

Finding the Fourth Proportional to 51,114.04, 76,640.99 and 21,515.83

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Solution

The fourth proportional to 51,114.04, 76,640.99 and 21,515.83 is: 32,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114.04 : 76,640.99 = 21,515.83 : x
  2. Step 2: Convert to fraction form
    51,114.04/76,640.99 = 21,515.83/x
  3. Step 3: Cross multiply
    51,114.04x = 76,640.99 × 21,515.83
  4. Step 4: Simplify right side
    51,114.04x = 1,648,994,212.69
  5. Step 5: Solve for x
    x = 1,648,994,212.69/51,114.04
  6. Step 6: Final answer
    x = 32,261.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.